Oil-filter.



D oil flows radially outward then "y being split .up and.

struction.

The upper pan F has apertures J in its sides through which the oil and water pass into the chamber A. A hood J may. extend from the sides of the pan F above the apertures .l and'dip slightly below the level of the water and oil as shown. The oil may flow through a pipe or aperture S into the receiving tank A from which it may be drawn off by s spigot O; A gage P may be used if desired to indicate the level of the oil in the chamber A It is not c sential'that a receiving tank A be used as the oil from the aperture may be received in buckets, cans,'or conveyed awayby pipe's if so desired.

A pump M may be employed for filling oil cans and recirculating the oil through the filter iormore perfect purification should it be necessary when the receiving tank is employed. In such case the pump M may be conveniently arranged in the bottom of the oil chamber\ A with the spout m extended up over the receiver 0.

A steam jet T controlled by a valve t may be employed to keep the water in the chamber A at the desired temperature to insure proper gravity of the oil remaining'low during its treatment in the filter. I may also employ a similar steam jet T controlled by a I valve t for the supply tank B below the receivernnd this insures the temperature in the receiver and supply tank to be such that congealed oil will be fully liquefied and brought to the proper gravity for purifying treatment. I would point out here that by employment of steam jets great economy of steam results and the cost of construction is greatly less than where heating coils are employed 5 especially where such coils arepro vided with a steam trap. In the useoi the jets T T only the smallest opening of the valves is required and all steam is fully utilized.

The piston H has a rod K which extends upward. through the pipe E and through the tubular part I: and terminates immediately below the plates D D in the receiver 0, When these plates are down to proper position the rod "K must be in such position that the piston valve His below the -openings E and seals the nozzle E*. In this manner accidental opening of the 1 nozzle can be guarded against.

The operation is as follows: The -tank A being filled with water to the level of the dotted liners-50, the oil,

lwa te'r and accompanyingimpurities received fromthe machinery is discharged into the pan (3 and pass through the concentric screens e d d, leaving'behind any coarse refuse that mightbecontainedxin .the oil. The oil and water then pass down through aperture c upon the-plate b whichfb ecause of its conical ordish character, contains a body of we "r and over which'the washed. 'lhe'oil and water flow over .the ri-r n ofi'this plate b down upon another bodyof water inthe bottom of the pan B and thence flows inwardlthrough the screens b into the top of the central pipe E. The wate oil is thus more or less cleaned and purified before on Any air liberated may pass.

through the apertures J under the hood J and upward -to the surface of the water and thence-through the aperture 8 into the oil receiving chamber The water that-passes into the pipe 13 and pan Frises with the oil and some of said waterpasses upward throughthe diaphragms to the upper pan F and other portions thereof pass through the outer joints between-the several pans into the chamber A outside of said filtering pans. The oil in rising is split into fine globules-find these are scoured and cleansed'by contact, with the: water. The lighter specific gravity-oitlie oil makes it travel upward through the successive 'bodids of water 'below ca(-h diaphragm G, the water risingjat-a very much slower speed. In this way the oil 15s greatly purified by the time it reaches the surfaceoigthe water; As the joints between the several filterin fans are at their'bottoin, it is evident that the-oil cannot escape from said joints, because once it rises into either oi the pans it must oi necessity all pass through the perforations of the diaphragms At the top, the oil is caused to float upon the water and in flowing over .it becomes still further purified and this is enhanced by the presence of the hood J.

The =layer of oil within the chamber A is shown by the gage N, and the thickness of this layer of oil may be varied by the adjustmentof the'overllow nozzle L.

The gage N should be marked as at'n to indicaite the level towhich the water should be brought byisdjust ment of the overflow nozzle L. This-gage N may he of any suitable construction so long as it willindicsite the level of the water and oil and the marking may be made in any form desired-so long as it indicates "the i at} proper relation of the level of the water to the vlevel of I the overflow whereby only the thinnest layer of oil maybe maintained upon the water without the water. passing through the oil outlet into the oil chamber A,

As the water accumulates Within the-chamber A it. escapes by the overflow pipe L so that's definite level may be. maintained. As the weight of the oil within,

the chamber A will cause the actual level ofi the water f therein to be'sornewhat less than the levelot the eve;-

fiow' it isevident'that tor oils of different spe effic gravities the overflow lii'ust 'be adjustedflothehwise ii .so-fixed for very-light oils thattoj'nly a thin 'hlrn'of oil will be upon the water within thechanjher A, the .use oi-the filter for'itery heavyand thickfoils induce a very deep layer of oil to-r emaiir in the filter thereby reducing its purifying eapacigtyls I L h the nozzle L is raised by the adjusting sore, raise the overflow outlet, then the water level the chamber Af will be correspondingly raised andeven the heaviest oils-may be made to ioirn only athin film uponthe surface of the water within the chumbpr This udjustability of the overflow is therefore a 4r ver M uhportziut adjunct to my improved liltcr, and runders it adapted to ,liltor oils of all Hperilir-d gruviiies with. the szuue degree oi purification To cleanse the lilter, l. have provided the rod K lillil piston H, which isnorrnully in the position as shown in the drawing so oil to clone the nozzle 15, but upon raising the rod K to bring the piston 11 above the aper- Uurcs E the contents of tllc several pans will drain down into the chamber A through the nozzle E when. tl WzLtCi' is' drawn off from the chamber by the spigot ll; it is evident that if we first draw oil the water ll'0lll the chainb'cr A before raising the piston ll, their upon raising the piston the draining of the pans will with. considerable lorcc :incl'insure them being cleansed to :illlittfilltti dogrc When rill of the water has been (lruwn off, the pun l3 and its attached purifying pans i ll" ("to only be withdrawn from the chamber and the parts dismantled for thorough cleansing.

.i. have shown. the construction of filter which I have found most PiitCtiifltlilG as an embodiment oi my invention, and though I prefer said construction, I do not ronline myself to the details thereof as they may be modified in Villloiifi wuys wiihoui dcpurring from the spirit of my invention.

Having now described myjuvontion, what I claim as new and desire to secure by Letters Patent is:-

1. All oil tilter'llaving u filtering chamber to contain water through which the oil is rcquired to rise, combined Willi u z-rtcnrn pipe for treating t e impure oil witlrlive sir-mu before it l'dlfl'iGS the filteriig chamber to thin the vi] and sc iurute its grosser impurities, and continuously :lrtih; 1 s for admitting into the body of water within the in :1 continually flowing minute jet of steam during the purl]. 'ng of the oil and to keep the oil at a low grnvity during lllirnlion.

,in oil filter having: a receiver for receiving iinpure oil rind water, combined with interiug apparatus for pu ig the oil, :ind'e ste'au'i jet for admitting steam to the to boat the receiver during the purification of the oil wh -rchy the oil the :in may be heated and its gravity lowcrwl so as to separate from its l'mpurii" and flow more rem-lily iliruugli the filtering apparatus.

I). in u fil er, a filtering tank to contain water provided with up all outlet nczir its top, combined with a water orcrlloiv nozzle luiviug' its discharge openin vertically ud- :iblc is to cnuble the level otthe miter in the iiitero tank to in.- aried relatively to the oil outlet, suit! overmsis no l n pipo opening; from the filtering tank, vully ndjusiuiilc nozzle sleeved upon the pipe, and n h'i'l'llN in misc n lower llic nozzle on the pipe.

4. In it]! oil lillor n \rilllfl' c'lurnilicr having a iluW pipe und :in oil oi'itl combined with u for overe \vu tel.

lmiiOlil ol the or c unrlier. n supply pun nhuve the: v' 'unihcr from which the central pipe depends, a

mipcriniposeui closed filtering puns snrromuling.

the cenirnl pipe the lowermost of said puns receiving, oil

from the central pipe nud ilic uppermost pun delivering" the purified oil upon the top of the \vutor, zilid moans con-' sisling oi Vertical .s(' I wens 'z'md horizontal WzitOi' reccpiuclcs ppli' pun ior giving to the impure oil it prclim? and washing; before passing into the-central l'oriniug u shz llow unobsi uclicd chamber containing; a layer of water, :i srrics of superimposed closed filtering puns surrounding the central pipe the lowermost of said pans rgceiving oil from the central pipe and the upper most pun l lQllVilll'lf; the purified oil upon the top of the water, and menus in the supply pun for giving to the inillllll, oil a. prcliininur cleansing before passing into the ccuirnl pipe said nicuns consisting oi the dished pluie Ii 'nnd one or more annular screens 11 below it depending into the wulcr in the button] of the supply pan and through which the oil is required to pass.

1} In nu oil lill'er a water chamber having :1 water overflow pipe mid an oil outlet utthe normal level of the water, ('(llllblilcll with :1 central pipe extending down to near the bottom of the wuter chninhcr, i supply pan above the writer chamber from which the central pipe depends, a series of superimposed closcd' filtering puns surrounding the central pipe the lowermost of said pans receiving oil form inc central pipe and the uppermost pan delivering the purified oil upon the top of the water, and means in the supply pan for giving to the impure oil a. preliminary cleansing before passing intofche central pipe and ure'- cciver (3 fitting into the supply pun and having screens 0 and central openingc. p

T. A iil'ter combined with :1 receiver consisting of a pan 1', having n central opening 1: and upright concentric screens '0 o, and one or more cover plates having downward (:ylindricul Screens concentric with the screens 2 e.

8, A filter combined with a receiver pun having :1 dish shaped plate 11 over which the oil and water flows and concentric screens 0' below the plate, menus for sustaining a body of writer on the bottom of the pun and above the lower purts of the screens, a centrnl pipe below the plate for receiving the oil and water, and means above the plate b for delivering the oil and water to it near its center:

9v A filter combined with a receiver pun having'ailish shaped pinto b over which the oil rind water flows und concentric :.\1'CLHS l) below the piute, means for sustaining; a body of water on the bottom of the pan and above the lower parts of the screens, a. central pipe below the plate for receiving the oil and water, and means above the plate l) for ileliw the oil and water to it near its center con: sisting of 21. r iver (I having the concentric screens c o 'nnrl one or more cover plates provided with downwardly extending 2on2; concentric with the screens 1;.

ii). in an oil llltcra trunk to contain wuttr combined with n-ceni'rzil pipe for lending oil and writer to a distance below the water level, purifying filter puns below the water receivlug-tl1e oil from the hojtimn of the central pipe, 41 supply tank s red in the top of the central pipe, 2i dish shaped plate (I above the central pipe and within the supply tank and ulso having; an upwardly extending vent pipe la, und :1 receiver within (the supply tank and lutving 1 central opt c surrounding the vent pipe Ir.

11. in nu ()ll filter 2r innk tocontuln writer, combined with a central pipe for [or ling cil and water to :1. distance below the water level, puri ng; [liter pans below the water receiving the oii froin the bottom of the central pipe, :1

sl npcd plate 12 above the central pipe and within the sup ply tnulc :tnd nlso havingan upwardly extending vent pipe.

It, a valve to control the iiow of the contents of. the purifyingiill'cr puns into the water tnnk, and a rod for operating lhe valve extending upward through the central pipe and llilVillP, control of 12. iii an oil lili ,1,

ing (i surrounding the vent pipe In.

:1 Waler tank, :1 receiving funk li:iv--

ing :1 depending (-culrnl 'pipe hu ving two outlets iii: the

bottom, it series or filteringpnns arranged one above the other and sleeved upon the central pipe und recciving oil and water from one of the outlets of the central pipe 21:

vulvei'o close ihe other outlet from the central pipe to the' water tank and a rod extending upward through the central ii )e to the valve for hitting the two outlets into comi l i lunlc secured to the top of the central pipe, a dish 'ont pipe, and a. receiver within the supply tank zyud .14 In an oil filter, a water tank, a series of filtering puns therein, a supply pan above the water tank, a depenrling pipe through which oil and water is supplied to the lowermost filtering pan, a valve for putting said lowermost filtering pan into communication with the pipe or with the water tank, a. rod for operating the valve extending up through the depending pipe and a removable screen cap arranged within thesupply tank for screening the oil before passing to the depending pipe arranged overthe u-ppei endof the valve rod to insi'u'e its being normally in pesitinn' when filtering is occurring. v

15. In aholl filter, the water'tank having'an over-flow and an oil outlet, :1 depending pipe E for oil, surx ouncllng pan F having outlets J and a hpo'dJ' the lower edge of which dips into the water in the tank;

In testimony of which invention, I hereunto set my hand. v

WM. C. FA-HY. 

